<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
     <div class="demo2"></div>
		 
     
     <style>
			.demo2 {
				width: 0;
				height: 0;
				border-width: 20px;
				border-style: solid;
				/* border-color: #ff0000 #00ff00 #0000ff #ff00ff; */
				border-color: transparent;
				border-left-color: #ff00ff;
			}
      </style>
		
	</body>
</html>
